Rhodium-Catalyzed Highly Enantioselective Addition of Arylboronic Acids to Cyclic Aldimines: Practical Asymmetric Synthesis of Cyclic Sulfamidates
作者:Ming-Hua Xu、Hui Wang
DOI:10.1055/s-0033-1338418
日期:——
efficient asymmetric arylation of cyclic N-sulfonyl aldimines with arylboronic acids catalyzed by a rhodium/ sulfur–olefin ligand complex under mild conditions is described. A wide range 4-aryl-3,4-dihydro-1,2,3-benzoxathiazine 2,2-dioxides were obtained in extremely high yields (93–99%) and high enantiomeric purities (97–99% ee). A highly efficient asymmetric arylation of cyclic N-sulfonyl aldimines with
摘要 描述了在温和条件下,铑/硫-烯烃配体络合物催化的环状N-磺酰基醛亚胺与芳基硼酸的高效不对称芳基化反应。以极高的收率(93-99%)和高对映体纯度(97-99%ee)获得了范围广泛的4-芳基-3,4-二氢-1,2,3-苯并恶嗪2,2-二氧化物。 描述了在温和条件下,铑/硫-烯烃配体络合物催化的环状N-磺酰基醛亚胺与芳基硼酸的高效不对称芳基化反应。以极高的收率(93-99%)和高对映体纯度(97-99%ee)获得了范围广泛的4-芳基-3,4-二氢-1,2,3-苯并恶嗪2,2-二氧化物。